package cn.lynu.lyq.java_exam.websocket;import javax.servlet.http.HttpSession;import javax.websocket.HandshakeResponse;import javax.websocket.server.HandshakeRequest;import javax.websocket.server.ServerEndpointConfig;import javax.websocket.server.ServerEndpointConfig.Configurator;public class GetHttpSessionConfigurator extends Configurator {	@Override	public void modifyHandshake(ServerEndpointConfig sec, HandshakeRequest request, HandshakeResponse response) {		HttpSession httpSession =(HttpSession)request.getHttpSession();		sec.getUserProperties().put(HttpSession.class.getName(), httpSession);	}}